Ronald Walters | Servo-Driven Digital Clock - Wiring & Sketch Functions @RonaldWalters2010 | Uploaded November 2021 | Updated October 2024, 10 hours ago.
Part 3 OTVinta Servo-Driven Digital Clock - Wiring and controlling the servos using Arduino UNO, Infrared Sensors, PCA9685 servo drivers and single channel relay.

Arduino Uno Sketch modified by Daniel Cikic

3D Printed parts by OTVinta
3D Model 14: 3D-Printable Servo-Driven Digital Clock
otvinta.com/download14.html#DC_1

Mechanical Seven Segment Display Clock by Michael Klements
instructables.com/id/Mechanical-Seven-Segment-Display-Clock/?utm_source=newsletter&utm_medium=email

Example of components I used:
* 16 Ch 12-bit PWM Servo Shield Motor Driver I2C Module PCA9685 For Arduino
* UNO R3 ATmega328P ATmega16U2 Development Board & USB Cable for ARDUINO
* SG90 9g Mini Micro Servo Motor Gear for RC Plane Helicopter Control
* Arduino DS3231 ZS042 AT24C32 IIC Module Precision RTC Real time Clock Memory
* 6mm x 6mm 5mm Tactile Tact Mini Push Button Switch Micro Switch Momentary

Other components as described by OTVinta and Michael Klements in their projects (links given above).

Thingiverse Parts:
PIR Lens Mount & Glue Ring thingiverse.com/thing:4879585
PIR Motion Sensor PCB Mounting Base thingiverse.com/thing:4879645
Stand-Off Ring and Dowel Cap: thingiverse.com/thing:5061247